Lenovo ThinkCentre Tiny-in-One 23 User Manual

Table3-2.Troubleshooting(continued)
Problem Possible cause Suggested action Reference
Screen is blank The monitor is in ● Press any key on the “Understanding power
and power Standby/Suspend keyboard or move the
management” on page
19
indicator is mode mouse to restore
steady amber operation.
or flashing
● Check the Power options
green
settings on your
computer.
The power The video signal Be sure the video cable is
“Setting up your monitor
indicator is cable is loose or connected with the system
“on page
4
green, but disconnected from properly.
there is no the system or
image. monitor.
The power
The monitor Adjust the brightness and “Adjusting your monitor
indicator is
green, but
brightness and
contrast are at the
contrast setting on the OSD
menu.
image” on page
15
there is no
lowest setting.
image.
One or more This is a If there are more than five “Service and support” on
of the pixels characteristic of the pixels missing, contact the
page
33
appear LCD technology Customer Support Centre.
discoloured and is not an LCD
defect.
● Fuzzy lines ● Image setup has Adjust the resolution
“Adjusting your monitor
in text or a not been settings on your system to
image” on page
15
blurry image. optimized match the native resolution
● Horizontal
● Your system
for this monitor: 1920x1080
or vertical
Display
at 60 Hz.
lines through
Properties setting
the image.
have not been
optimized.
● Fuzzy lines ● Image setup has Perform automatic image
“Selecting a supported
in text or a not been setup. If automatic image
display mode” on page
19
blurry image. optimized setup does not help,
● Horizontal
● Your system
perform manual image
or vertical
Display
setup.
lines through
Properties setting
the image.
have not been
optimized.
● Fuzzy lines ● Image setup has When working in the native See the Advanced section
in text or a not been resolution, you may find of your system’s display
blurry image. optimized additional improvements by properties.
● Horizontal
● Your system
adjusting the Dots Per Inch
or vertical
Display
(DPI) setting on your
lines through
Properties setting
system.
the image.
have not been
optimized.
The image is It has not set the ● Use ThinkVision
®
Duo “Using the user controls”
not acceptable optimum software to optimize the
on page 15
when resolution for each dual screen operation
switching to mode
● Adjust graphic card
dual mode
resolution manually
Manual image setup
If automatic image setup does not establish the image that you prefer, perform
manual image setup.
28
ThinkCentre Tiny-in-One 23 User Guide

Lenovo ThinkCentre Tiny-in-One 23 Specifications

General

Brand	Lenovo
Model	ThinkCentre Tiny-in-One 23
Category	Desktop
Language	English